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Old 08-20-2015, 04:59 PM   #1
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Default Normal oil pressure psi ?

Hello

I have pontiac g8

With 6.0

My oil pressure at idle 20 psi

At 4000 rpm 45 psi to 50 psi

Is that normal ?

The weather 115 FEHERNHAIT

New oil + filter mobile 1 full synithtic
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Old 08-27-2015, 10:55 PM   #2
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Yes that is normal and safe operating range for a 6.0...my 5.3'* run around 35-40 warn idle and 50-55 running at speed down the road ive seen plenty of 6.0s in the 20-25 range even newer ones with very low miles an engine doesnt need a whole bunch of oil pressure at idle..if it tells you anything..0 lbs at idle was in spec on the pre vortec small blocks
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